Recall 77V-149: 1976–1977 Mack RL, 1976–1977 Mack RS and 2 more
MACK TRUCKS, INCORPORATED recall for wheels, reported to NHTSA on Sep 19, 1977, covering about 250 vehicles.
The problem
The front wheel aluminum hubs on the involved vehicles may be subject to cracks which may progress circumferentially around the barrel of the hub. This could lead to a fracture in the "barrel" position of the hub and complete hub failure.
The fix
Dealer will install steel hubs in place of aluminum hubs without charge to owner.
Notes
Vehicle description: trucks equipped with ff-931 front axles.system: wheels; aluminum hubs, front.consequences of defect: hub failure could result in loss of vehicle control andan accident.note: hub failure may be indicated by an audible sound at the instant of hubseparation, along with thumping or wheel wobble. Hub may separate from thewheel and still be retained on the axle.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Wheels › Multi Piece |
| Recall started by | the manufacturer |
| NHTSA campaign number | 77V149000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack RL | 1976, 1977 | All years |
| Mack RS | 1976, 1977 | All years |
| Mack WL | 1976, 1977 | All years |
| Mack WS | 1976, 1977 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 77V-149?
The front wheel aluminum hubs on the involved vehicles may be subject to cracks which may progress circumferentially around the barrel of the hub. This could lead to a fracture in the "barrel" position of the hub and complete hub failure.
How is recall 77V-149 fixed?
Dealer will install steel hubs in place of aluminum hubs without charge to owner.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.